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1. Take out the dipstick and check whether the oil is
black and deteriorated; check whether the oil level is lower
than the lower limit, if it is lower than the lower limit, the oil
should be replenished between the upper and lower limit; if
it is black and deteriorated, the oil should be replaced.
2. Place an oil pan under the engine; remove the oil drain
bolt to drain the oil; turn the engine several times to let the
residual oil flow out completely, then install the oil drain
bolt and add oil according to the standard. Torque of the oil
drain bolt: 15 N · m.
1. Replace the lubricating oil when the engine is hot.
2. It is forbidden to remove the oil drain bolt when the
engine is at high temperature, so as to avoid screw
slippage.
3. When replacing with new lubricating oil, it must be
filtered.
4. Observe whether the filter screen, sealing gasket, spring,
O-shaped sealing ring and oil drain bolt are in good
condition. If they are damaged, replace them.
Inspection and replacement of engine oil
After preheating for a few minutes, please replace the oil strictly according to the standard.
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